161881380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 515633664

約数和(自身を除く): 353752284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 90, 93, 124, 134, 155, 180, 186, 201, 268, 279, 310, 335, 372, 402, 433, 465, 558, 603, 620, 670, 804, 866, 930, 1005, 1116, 1206, 1299, 1340, 1395, 1732, 1860, 2010, 2077, 2165, 2412, 2598, 2790, 3015, 3897, 4020, 4154, 4330, 5196, 5580, 6030, 6231, 6495, 7794, 8308, 8660, 10385, 12060, 12462, 12990, 13423, 15588, 18693, 19485, 20770, 24924, 25980, 26846, 29011, 31155, 37386, 38970, 40269, 41540, 53692, 58022, 62310, 67115, 74772, 77940, 80538, 87033, 93465, 116044, 120807, 124620, 134230, 145055, 161076, 174066, 186930, 201345, 241614, 261099, 268460, 290110, 348132, 373860, 402690, 435165, 483228, 522198, 580220, 604035, 805380, 870330, 899341, 1044396, 1208070, 1305495, 1740660, 1798682, 2416140, 2610990, 2698023, 3597364, 4496705, 5221980, 5396046, 8094069, 8993410, 10792092, 13490115, 16188138, 17986820, 26980230, 32376276, 40470345, 53960460, 80940690, 161881380]

約数ペア:

[(1, 161881380), (2, 80940690), (3, 53960460), (4, 40470345), (5, 32376276), (6, 26980230), (9, 17986820), (10, 16188138), (12, 13490115), (15, 10792092), (18, 8993410), (20, 8094069), (30, 5396046), (31, 5221980), (36, 4496705), (45, 3597364), (60, 2698023), (62, 2610990), (67, 2416140), (90, 1798682), (93, 1740660), (124, 1305495), (134, 1208070), (155, 1044396), (180, 899341), (186, 870330), (201, 805380), (268, 604035), (279, 580220), (310, 522198), (335, 483228), (372, 435165), (402, 402690), (433, 373860), (465, 348132), (558, 290110), (603, 268460), (620, 261099), (670, 241614), (804, 201345), (866, 186930), (930, 174066), (1005, 161076), (1116, 145055), (1206, 134230), (1299, 124620), (1340, 120807), (1395, 116044), (1732, 93465), (1860, 87033), (2010, 80538), (2077, 77940), (2165, 74772), (2412, 67115), (2598, 62310), (2790, 58022), (3015, 53692), (3897, 41540), (4020, 40269), (4154, 38970), (4330, 37386), (5196, 31155), (5580, 29011), (6030, 26846), (6231, 25980), (6495, 24924), (7794, 20770), (8308, 19485), (8660, 18693), (10385, 15588), (12060, 13423), (12462, 12990)]